Supporters of republican presidential hopeful Ron Paul wear t-shirts that spell out "PAUL" during a campaign stop at the Park Place Event Center on January 2, 2012 in Cedar Falls, Iowa. (Justin Sullivan / Getty Images) less

Supporters of republican presidential hopeful Ron Paul wear t-shirts that spell out "PAUL" during a campaign stop at the Park Place Event Center on January 2, 2012 in Cedar Falls, Iowa. (Justin ... more

Justin Roy, 22, of Springfield, MA, shows off his haircut in support of Republican presidential candidate Ron Paul after a campaign town hall meeting at the Church Landing at Mill Falls January 8, 2012 in Meredith, N.H. (Chip Somodevilla / Getty Images) less

Justin Roy, 22, of Springfield, MA, shows off his haircut in support of Republican presidential candidate Ron Paul after a campaign town hall meeting at the Church Landing at Mill Falls January 8, 2012 in ... more

Donald Barsell of Ben Lomond, Ca., a supporter of presidential candidate Ron Paul wears a mask of his candidate on day two of the California Republic Party State Convention on Saturday Feb. 25, 2012, in Burlingame, Ca. (Michael Macor / SFC) less

Donald Barsell of Ben Lomond, Ca., a supporter of presidential candidate Ron Paul wears a mask of his candidate on day two of the California Republic Party State Convention on Saturday Feb. 25, 2012, in ... more

Supporters of Ron Paul holds sings outside of the Mesa Arts Center before the start of a debate sponsored by CNN and the Republican Party of Arizona on February 22, 2012 in Mesa, Arizona. (Justin Sullivan / Getty Images) less

Supporters of Ron Paul holds sings outside of the Mesa Arts Center before the start of a debate sponsored by CNN and the Republican Party of Arizona on February 22, 2012 in Mesa, Arizona. (Justin Sullivan / ... more

Ron Paul for president supporter Mike Kelly of Selkirk tapes a sign on the bus going to Cornell University from UAlbany in Albany N.Y. Thursday April 19, 2012. (Michael P. Farrell / Albany Times Union)

Ron Paul for president supporter Mike Kelly of Selkirk tapes a sign on the bus going to Cornell University from UAlbany in Albany N.Y. Thursday April 19, 2012. (Michael P. Farrell / Albany Times Union)

Supporters of Rep. Ron Paul drive a decorated Jeep down USF Holly Drive before the GOP presidential debate sponsored by NBC News, National Journal and the Tampa Bay Times at the University of South Florida January 23, 2012 in Tampa, Florida. (Chip Somodevilla / Getty Images) less

Supporters of Rep. Ron Paul drive a decorated Jeep down USF Holly Drive before the GOP presidential debate sponsored by NBC News, National Journal and the Tampa Bay Times at the University of South Florida ... more

Landon Cook of Boston, Mass., wears an imitation tattoo on his neck in support of Ron Paul outside a scheduled event for Republican presidential candidate, former Massachusetts Gov. Mitt Romney, at the ... more

Victoria Forbis, from Lewiston, Maine, holds up a sign during a speech by Republican presidential candidate Ron Paul at Geiger Elementary School in Lewiston, Maine, on Saturday, Feb. 11, 2012, during ... more

Linda Silvia, of China, Maine, and a delegate from Kennebec County, supports presidential candidate Ron Paul during the Maine Republican Convention at the Augusta Civic Center in Augusta, Maine, Saturday, May 5, 2012. (Robert F. Bukaty / Associated Press) less

Linda Silvia, of China, Maine, and a delegate from Kennebec County, supports presidential candidate Ron Paul during the Maine Republican Convention at the Augusta Civic Center in Augusta, Maine, Saturday, May ... more

A Ron Paul supporter wears a sticker on his head as Paul speaks at Colorado State University in Fort Collins, Colo., Tuesday, Jan. 31, 2012. (Chris Schneider / Associated Press)

A Ron Paul supporter wears a sticker on his head as Paul speaks at Colorado State University in Fort Collins, Colo., Tuesday, Jan. 31, 2012. (Chris Schneider / Associated Press)

A Ron Paul supporter wears a sticker on his head as Paul speaks at... Photo-2940647.42982 - Houston Chronicle

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Charles Tuttle of Minot, N.D., and his mastiff dog Bella arrive in the snow for a campaign stop in Jamestown, N.D., Monday, Feb. 20, 2012, where Republican presidential candidate Ron Paul was to hold a meet and greet campaign event. (Nati Harnik / Associated Press) less

Charles Tuttle of Minot, N.D., and his mastiff dog Bella arrive in the snow for a campaign stop in Jamestown, N.D., Monday, Feb. 20, 2012, where Republican presidential candidate Ron Paul was to hold a meet and ... more

A Ron Paul supporter in the lobby of the Hyatt Regency on day two of the California Republic Party State Convention on Saturday Feb. 25, 2012, in Burlingame, Calif. (Jason Henry / Special To The Chronicle)

A Ron Paul supporter in the lobby of the Hyatt Regency on day two of the California Republic Party State Convention on Saturday Feb. 25, 2012, in Burlingame, Calif. (Jason Henry / Special To The Chronicle)

A Ron Paul supporter in the lobby of the Hyatt Regency on day two... Photo-2940649.42982 - Houston Chronicle

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Andrew Jackson, of Seaford, Delaware, Tina Rodocker, of Seaford, Delaware, and John Elliott, of Greenwood, Delaware, listen as Ron Paul speaks during a town hall meeting at the University of Maryland on March 28, 2012 in College Park, Maryland. (T.J. Kirkpatrick / Getty Images) less

Andrew Jackson, of Seaford, Delaware, Tina Rodocker, of Seaford, Delaware, and John Elliott, of Greenwood, Delaware, listen as Ron Paul speaks during a town hall meeting at the University of Maryland on March ... more

A supporter of Ron Paul holds up a sign during the North Dakota caucus Tuesday, March 6, 2012 in Fargo, N.D. (Charles Rex Arbogast / Associated Press)

A supporter of Ron Paul holds up a sign during the North Dakota caucus Tuesday, March 6, 2012 in Fargo, N.D. (Charles Rex Arbogast / Associated Press)

A supporter of Ron Paul holds up a sign during the North Dakota... Photo-2940651.42982 - Houston Chronicle

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John Sharkey (left), of San Francisco, and Ellie Black, of Santa Cruz, yell chants in support of Ron Paul outside of the Marriott Hotel on Thursday, April 5, 2011 in San Francisco, Calif. (Beck Diefenbach / Special to The Chronicle) less

John Sharkey (left), of San Francisco, and Ellie Black, of Santa Cruz, yell chants in support of Ron Paul outside of the Marriott Hotel on Thursday, April 5, 2011 in San Francisco, Calif. (Beck Diefenbach / ... more

John Sharkey (left), of San Francisco, and Ellie Black, of Santa... Photo-2940652.42982 - Houston Chronicle

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John Sharkey (left), of San Francisco, holds a sign supporting Ron Paul outside of the Marriott Hotel on Thursday, April 5, 2011 in San Francisco, Calif. (Beck Diefenbach / Special to The Chronicle)

John Sharkey (left), of San Francisco, holds a sign supporting Ron Paul outside of the Marriott Hotel on Thursday, April 5, 2011 in San Francisco, Calif. (Beck Diefenbach / Special to The Chronicle)

An exuberant crowd of supporters reach for Ron Paul to get his autograph after he address the group at a rally, Tuesday January 31, 2012. (Lacy Atkins / The Chronicle)

An exuberant crowd of supporters reach for Ron Paul to get his autograph after he address the group at a rally, Tuesday January 31, 2012. (Lacy Atkins / The Chronicle)

An exuberant crowd of supporters reach for Ron Paul to get his... Photo-2940658.42982 - Houston Chronicle

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Ron Paul supporters Felice Ford, left, and Becky Miner take a photograph together prior to boarding a bus at UAlbany to travel to Cornell University to hear Paul speak in Albany N.Y. Thursday April 19, 2012. (Michael P. Farrell / Albany Times Union) less

Ron Paul supporters Felice Ford, left, and Becky Miner take a photograph together prior to boarding a bus at UAlbany to travel to Cornell University to hear Paul speak in Albany N.Y. Thursday April 19, 2012. ... more